| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [adj] years | 106 |
|
| 2 | [adv] [prep] a [adj] [unc] | 66 |
|
| 3 | [adv] [prep] [adj] years [unc] | 66 |
|
| 4 | [prep] a [adj] years [unc] | 34 |
|
